Separate door bars, grab irons, ladders and cut bars
Two different styles of roof hatch (where appropriate)
Fully detailed underbody
Accurate painting and lettering
The American Refrigerator Transit Company (ART) was a St. Louis, Missouri-based private refrigerator car line established in 1881 by the Missouri Pacific and Wabash railroads. It is now a subsidiary of the Union Pacific Corporation.
American Refrigerator Transit Company, 1900–1970:
Source: The Great Yellow Fleet, p. 16.